786940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 2125872

約数和(自身を除く): 1338932

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 73, 77, 98, 110, 140, 146, 154, 196, 220, 245, 292, 308, 365, 385, 490, 511, 539, 730, 770, 803, 980, 1022, 1078, 1460, 1540, 1606, 2044, 2156, 2555, 2695, 3212, 3577, 4015, 5110, 5390, 5621, 7154, 8030, 10220, 10780, 11242, 14308, 16060, 17885, 22484, 28105, 35770, 39347, 56210, 71540, 78694, 112420, 157388, 196735, 393470, 786940]

約数ペア:

[(1, 786940), (2, 393470), (4, 196735), (5, 157388), (7, 112420), (10, 78694), (11, 71540), (14, 56210), (20, 39347), (22, 35770), (28, 28105), (35, 22484), (44, 17885), (49, 16060), (55, 14308), (70, 11242), (73, 10780), (77, 10220), (98, 8030), (110, 7154), (140, 5621), (146, 5390), (154, 5110), (196, 4015), (220, 3577), (245, 3212), (292, 2695), (308, 2555), (365, 2156), (385, 2044), (490, 1606), (511, 1540), (539, 1460), (730, 1078), (770, 1022), (803, 980)]